setting an initial root password. this fixes a lot of later errors

Former-commit-id: 571a3a94

roles/mysql/tasks/mysql_server.yml

@@ -28,6 +28,9 @@
     - ::1
     - localhost
 
+- name: update mysql root password for all root accounts
+  mysql_user: name=root host=localhost password={{ mysql_root_password }} login_user=root
+
 - name: "Adding user database"
   mysql_db: name={{ mysql_user_db_name }} state=present login_user=root login_password={{ mysql_root_password }}